[jira] [Commented] (SPARK-38271) PoissonSampler may generate more rows than MaxRows

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-38271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17495374#comment-17495374 ] 

Apache Spark commented on SPARK-38271:
--------------------------------------

User 'zhengruifeng' has created a pull request for this issue:
https://github.com/apache/spark/pull/35593

> PoissonSampler may generate more rows than MaxRows
> --------------------------------------------------
>
>                 Key: SPARK-38271
>                 URL: https://issues.apache.org/jira/browse/SPARK-38271
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: zhengruifeng
>            Priority: Major
>
> {code:java}
> scala> val df = spark.range(0, 1000)
> df: org.apache.spark.sql.Dataset[Long] = [id: bigint]
> scala> df.count
> res0: Long = 1000
> scala> df.sample(true, 0.999999, 10).count
> res1: Long = 1004
>  {code}



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